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// pass in a manifest with a 'bin' field here, and it'll turn it
// into a properly santized bin object
const { join, basename } = require('path')
const normalize = pkg =>
!pkg.bin ? removeBin(pkg)
: typeof pkg.bin === 'string' ? normalizeString(pkg)
: Array.isArray(pkg.bin) ? normalizeArray(pkg)
: typeof pkg.bin === 'object' ? normalizeObject(pkg)
: removeBin(pkg)
const normalizeString = pkg => {
if (!pkg.name) {
return removeBin(pkg)
}
pkg.bin = { [pkg.name]: pkg.bin }
return normalizeObject(pkg)
}
const normalizeArray = pkg => {
pkg.bin = pkg.bin.reduce((acc, k) => {
acc[basename(k)] = k
return acc
}, {})
return normalizeObject(pkg)
}
const removeBin = pkg => {
delete pkg.bin
return pkg
}
const normalizeObject = pkg => {
const orig = pkg.bin
const clean = {}
let hasBins = false
Object.keys(orig).forEach(binKey => {
const base = join('/', basename(binKey.replace(/\\|:/g, '/'))).slice(1)
if (typeof orig[binKey] !== 'string' || !base) {
return
}
const binTarget = join('/', orig[binKey].replace(/\\/g, '/'))
.replace(/\\/g, '/').slice(1)
if (!binTarget) {
return
}
clean[base] = binTarget
hasBins = true
})
if (hasBins) {
pkg.bin = clean
} else {
delete pkg.bin
}
return pkg
}
module.exports = normalize
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